<script type="text/javascript">
function checkDate(sender, args) {
if (sender._selectedDate < new Date()) {
alert("You cannot select a day earlier than today!");
sender._selectedDate = new Date();
// set the date back to the current date
sender._textbox.set_Value(sender._selectedDate.format(sender._format))
}
}
<asp:Panel runat="server" ID="panel2">
<table>
<tr>
<td colspan="4" bgcolor="#FFFFCC" class="tx1" align="center" style="height: 20px">» Special Request Form</td>
</tr>
<tr>
<td>
<asp:Label ID="Label2" runat="server" Text="Trip Scheme"></asp:Label>
</td>
<td>
<asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True" Ap ...
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